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<html>
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		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title></title>
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			a{
				display: inline-block;
				width: 161px;
				height: 60px;
				background: url(imooc.png);
				background-size: cover;
				color: #6ed4fa;
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	<body>
		<a href="#">qwew</a>
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			var num = 12;
			console.log(num);
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